Investor Presentaiton

BUILDING THE FUTURE TOGETHER WITH OUR CLIENTS PPA RENEGOTIATION, DECARBONIZATION & LIFE EXTENSION CODELCO GLENCORE EL BRA Lomas Bayas Alto Norte 16MW 34M W 16MW 34MW Chuqui 200MW El Abra 110MW PPA renegotiations signed by EECL on April 2, 2018: A win-win transaction Price discount, coal-indexed Price discount, CPI-indexed Price discount, coal-indexed Price discount, CPI-indexed Price discount, coal-indexed Price discount, Price discount, CPI-indexed coal-indexed Price discount, coal-indexed Price discount, coal-indexed CPI-indexed PPA life extension @ new, CPI-indexed price Price discount, CPI-indexed Price discount, CPI-indexed PPA life extension PPA life extension PPA life extension PPA life extension 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 Extending the life of our PPAs and leaving behind their price indexation to coal will allow us to invest in renewable power sources and gradually replace coal capacity Our clients will benefit from lower power prices and a reduction in their carbon footprint Engie Energía Chile Presentation to Investors - 1Q 2018 ENGIE 14

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